Personalized Dabbing Dancer Reindeer Youth Long Sleeve T-Shirt. Youth Long Sleeve T-Shirt - White with funny retro DANCER reindeer dabbing the night away in a disco vest and jingle bell chain necklace. Fun for Christmas parties, Christmas shopping and family gatherings. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)